public bool Reset()
{
var acpi = DeviceService.GetFirstDevice <IACPI>(DeviceStatus.Online).DeviceDriver as IACPI;
if (acpi == null)
{
return(false);
}
BaseIOPortWrite address = acpi.ResetAddress;
byte value = acpi.ResetValue;
if (address != null)
{
address.Write8(value);
// Map memory
Pointer ptr = HAL.GetPhysicalMemory((Pointer)(uint)address.Address, 1).Address;
BaseIOPortWrite mappedResetReg = HAL.GetWriteIOPort((ushort)ptr);
mappedResetReg.Write8(value);
// Write to PCI Configuration Space (we're actually writing on the host bridge controller)
// TODO: Fix
/*var controller = DeviceService.GetFirstDevice<IHostBridgeController>(DeviceStatus.Online).DeviceDriver as IHostBridgeController;
*
* controller.SetCPUResetInformation((byte)address.Address, value);
* controller.CPUReset();*/
return(true);
}
return(false);
}
/// <summary>
/// Starts the device.
/// </summary>
/// <param name="pciDevice">The pci device.</param>
static public void StartDevice(IPCIDevice pciDevice)
{
DeviceDriver deviceDriver = deviceDriverRegistry.FindDriver(pciDevice);
if (deviceDriver == null)
{
pciDevice.SetNoDriverFound();
return;
}
IHardwareDevice hardwareDevice = System.Activator.CreateInstance(deviceDriver.DriverType) as IHardwareDevice;
// MR 07/21/09: Commenting out, causes mono xbuild to fail on MacOS X
// PCIDeviceDriverAttribute attribute = deviceDriver.Attribute as PCIDeviceDriverAttribute;
LinkedList <IIOPortRegion> ioPortRegions = new LinkedList <IIOPortRegion>();
LinkedList <IMemoryRegion> memoryRegions = new LinkedList <IMemoryRegion>();
foreach (BaseAddress pciBaseAddress in pciDevice.BaseAddresses)
{
switch (pciBaseAddress.Region)
{
case AddressType.IO: ioPortRegions.Add(new IOPortRegion((ushort)pciBaseAddress.Address, (ushort)pciBaseAddress.Size)); break;
case AddressType.Memory: memoryRegions.Add(new MemoryRegion(pciBaseAddress.Address, pciBaseAddress.Size)); break;
default: break;
}
}
foreach (DeviceDriverPhysicalMemoryAttribute memoryAttribute in deviceDriver.MemoryAttributes)
{
if (memoryAttribute.MemorySize > 0)
{
IMemory memory = HAL.RequestPhysicalMemory(memoryAttribute.MemorySize, memoryAttribute.MemoryAlignment);
memoryRegions.Add(new MemoryRegion(memory.Address, memory.Size));
}
}
HardwareResources hardwareResources = new HardwareResources(resourceManager, ioPortRegions.ToArray(), memoryRegions.ToArray(), new InterruptHandler(resourceManager.InterruptManager, pciDevice.IRQ, hardwareDevice), pciDevice as IDeviceResource);
if (resourceManager.ClaimResources(hardwareResources))
{
hardwareResources.EnableIRQ();
if (hardwareDevice.Start() == DeviceDriverStartStatus.Started)
{
pciDevice.SetDeviceOnline();
}
else
{
hardwareResources.DisableIRQ();
resourceManager.ReleaseResources(hardwareResources);
}
}
}
/// <summary>
/// Starts the device.
/// </summary>
/// <param name="deviceDriver">The device driver.</param>
static public void StartDevice(DeviceDriver deviceDriver)
{
ISADeviceDriverAttribute driverAtttribute = deviceDriver.Attribute as ISADeviceDriverAttribute;
if (driverAtttribute.AutoLoad)
{
IHardwareDevice hardwareDevice = System.Activator.CreateInstance(deviceDriver.DriverType) as IHardwareDevice;
//UNUSED:
//ISADeviceDriverAttribute attribute = deviceDriver.Attribute as ISADeviceDriverAttribute;
LinkedList <IIOPortRegion> ioPortRegions = new LinkedList <IIOPortRegion>();
LinkedList <IMemoryRegion> memoryRegions = new LinkedList <IMemoryRegion>();
ioPortRegions.Add(new IOPortRegion(driverAtttribute.BasePort, driverAtttribute.PortRange));
if (driverAtttribute.AltBasePort != 0x00)
{
ioPortRegions.Add(new IOPortRegion(driverAtttribute.AltBasePort, driverAtttribute.AltPortRange));
}
if (driverAtttribute.BaseAddress != 0x00)
{
memoryRegions.Add(new MemoryRegion(driverAtttribute.BaseAddress, driverAtttribute.AddressRange));
}
foreach (DeviceDriverPhysicalMemoryAttribute memoryAttribute in deviceDriver.MemoryAttributes)
{
if (memoryAttribute.MemorySize > 0)
{
IMemory memory = HAL.RequestPhysicalMemory(memoryAttribute.MemorySize, memoryAttribute.MemoryAlignment);
memoryRegions.Add(new MemoryRegion(memory.Address, memory.Size));
}
}
IHardwareResources hardwareResources = new HardwareResources(resourceManager, ioPortRegions.ToArray(), memoryRegions.ToArray(), new InterruptHandler(resourceManager.InterruptManager, driverAtttribute.IRQ, hardwareDevice));
hardwareDevice.Setup(hardwareResources);
if (resourceManager.ClaimResources(hardwareResources))
{
hardwareResources.EnableIRQ();
if (hardwareDevice.Start() == DeviceDriverStartStatus.Started)
{
deviceManager.Add(hardwareDevice);
}
else
{
hardwareResources.DisableIRQ();
resourceManager.ReleaseResources(hardwareResources);
}
}
}
}
static private void StartDevice(IPCIDevice pciDevice, DeviceDriver deviceDriver, IHardwareDevice hardwareDevice)
{
var ioPortRegions = new LinkedList <IIOPortRegion>();
var memoryRegions = new LinkedList <IMemoryRegion>();
foreach (var pciBaseAddress in pciDevice.BaseAddresses)
{
switch (pciBaseAddress.Region)
{
case AddressType.IO: ioPortRegions.AddLast(new IOPortRegion((ushort)pciBaseAddress.Address, (ushort)pciBaseAddress.Size)); break;
case AddressType.Memory: memoryRegions.AddLast(new MemoryRegion(pciBaseAddress.Address, pciBaseAddress.Size)); break;
default: break;
}
}
foreach (var memoryAttribute in deviceDriver.MemoryAttributes)
{
if (memoryAttribute.MemorySize > 0)
{
var memory = HAL.AllocateMemory(memoryAttribute.MemorySize, memoryAttribute.MemoryAlignment);
memoryRegions.AddLast(new MemoryRegion(memory.Address, memory.Size));
}
}
var hardwareResources = new HardwareResources(resourceManager, ioPortRegions.ToArray(), memoryRegions.ToArray(), new InterruptHandler(resourceManager.InterruptManager, pciDevice.IRQ, hardwareDevice), pciDevice as IDeviceResource);
if (resourceManager.ClaimResources(hardwareResources))
{
hardwareResources.EnableIRQ();
hardwareDevice.Setup(hardwareResources);
if (hardwareDevice.Start() == DeviceDriverStartStatus.Started)
{
pciDevice.SetDeviceOnline();
}
else
{
hardwareResources.DisableIRQ();
resourceManager.ReleaseResources(hardwareResources);
}
}
}
public static void Initialize(BaseHardwareAbstraction hardware)
{
// Create Device Manager
DeviceManager = new DeviceManager();
// Create Interrupt Manager
InterruptManager = new InterruptManager();
// Create the Device Driver Manager
DeviceDriverRegistry = new DeviceDriverRegistry(PlatformArchitecture.X86);
// Create the PCI Controller Manager
PCIControllerManager = new PCIControllerManager(DeviceManager);
// Set device driver system to the hardware HAL
HAL.SetHardwareAbstraction(hardware);
// Set the interrupt handler
HAL.SetInterruptHandler(InterruptManager.ProcessInterrupt);
}
/// <summary>
/// Gets the memory.
/// </summary>
/// <param name="address">The address.</param>
/// <param name="size">The size.</param>
/// <returns></returns>
public Memory GetMemory(uint address, uint size)
{
return(HAL.RequestPhysicalMemory(address, size));
}
/// <summary>
/// Gets the IO port.
/// </summary>
/// <param name="region">The region.</param>
/// <param name="index">The index.</param>
/// <returns></returns>
public IOPortRead GetIOPortRead(byte region, ushort index)
{
return(HAL.RequestReadIOPort((ushort)(ioPortRegions[region].BaseIOPort + index)));
}
/// <summary>
/// Gets the memory.
/// </summary>
/// <param name="region">The region.</param>
/// <returns></returns>
public Memory GetMemory(byte region)
{
return(HAL.RequestPhysicalMemory(memoryRegions[region].BaseAddress, memoryRegions[region].Size));
}
/// <summary>
/// Gets the IO port.
/// </summary>
/// <param name="region">The region.</param>
/// <param name="index">The index.</param>
/// <returns></returns>
public BaseIOPortReadWrite GetIOPortReadWrite(byte region, ushort index)
{
return(HAL.GetReadWriteIOPort((ushort)(ioPortRegions[region].BaseIOPort + index)));
}
/// <summary>
/// Gets the IO port.
/// </summary>
/// <param name="index">The region.</param>
/// <param name="offset">The index.</param>
/// <returns></returns>
public BaseIOPortRead GetIOPortRead(byte index, ushort offset)
{
return(HAL.GetReadIOPort((ushort)(ioPortRegions[index].BaseIOPort + offset)));
}
/// <summary>
/// Gets the memory.
/// </summary>
/// <param name="region">The region.</param>
/// <returns></returns>
public ConstrainedPointer GetMemory(byte region)
{
return(HAL.GetPhysicalMemory(addressRegions[region].Address, addressRegions[region].Size));
}